Modular pump



FIG. 1 is a top, front and right side perspective view of a modular pump showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken line representations of items in FIGS. 1-7, are for purposes of illustration only, and form no part of the claimed design. 

The ornamental design for a modular pump, as shown and described. 